Testsigma

JUNE 3, 2021

Example: An e-commerce website is unable to process the payment part. For example, a user has submitted a form, and the progress bar is showing no progress or activity then the user will get confused if the form has been submitted successfully or not. He may think that the software got stuck and a system restart is needed.

Software 82

Software Software Testing Hardware 82

All Things Distributed

SEPTEMBER 14, 2020

A great example of this approach to innovation and problem solving is the creation of the AWS Nitro System (Nitro System), the underlying platform for our EC2 instances. Now, with the Nitro System, we can offer the best price performance in the cloud, the most secure environment, and a faster pace of innovation.

Virtualization 87

Virtualization AWS Systems Innovation 87

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., Systems built with lots of microservices have different operational characteristics to those built from a small number of monoliths, we’d like to study and better understand those differences.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Dynatrace

APRIL 15, 2024

For example, government agencies use an array of cloud platforms spanning 12 environments on average. Critical infrastructure and services refer to the systems, facilities, and assets vital for the functioning of society and the economy. Unified observability is the key to success in resource-constrained local government agencies.

Infrastructure 201

Infrastructure Efficiency Government Transportation 201

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82

Dynatrace

JANUARY 26, 2021

Traditional computing models rely on virtual or physical machines, where each instance includes a complete operating system, CPU cycles, and memory. There is no need to plan for extra resources, update operating systems, or install frameworks. The provider is essentially your system administrator. What is serverless computing?

Serverless 241

Serverless Efficiency Lambda Azure 241

Dynatrace

MARCH 28, 2024

According to Markets and Markets, for example, the digital transformation market is projected to grow at a compound annual growth rate of 19.1%, from $521.5 For one Dynatrace customer, a hardware and software provider, introducing automation into DevOps processes was a game-changer. billion in 2021 to $127.5 billion in 2026.

C++ 178

C++ Artificial Intelligence DevOps Innovation 178

Percona

AUGUST 22, 2023

We’ll wrap it up by suggesting high availability open source solutions, and we’ll introduce you to support options for ensuring continuous high performance from your systems. A basic high availability database system provides failover (preferably automatic) from a primary database node to redundant nodes within a cluster.

Availability 78

Availability Hardware Open Source Database 78

Dynatrace

NOVEMBER 3, 2022

These containers are software packages that include all the relevant dependencies needed to run software on any system. Container-based software isn’t tied to a platform or operating system, so IT teams can move or reconfigure processes easily. In FaaS environments, providers manage all the hardware. Process portability.

Serverless 214

Serverless Azure Hardware Transportation 214

Testsigma

DECEMBER 28, 2019

The testing phase starts with unit testing followed by integration testing, system testing, system integration testing, acceptance testing, and regression testing. System testing- checks end to end flows works as expected. Acceptance testing- to validate the system is developed as per business requirement. Re-execute all.

Testing 53

Testing Hardware Testing Tools Strategy 53

The Morning Paper

SEPTEMBER 26, 2019

Wireless attacks on aircraft instrument landing systems Sathaye et al., Today’s paper is a good reminder of just how important it is becoming to consider cyber threat models in what are primary physical systems, especially if you happen to be flying on an aeroplane – which I am right now as I write this! A quick primer on ILS.

Wireless 91

Wireless Systems Airlines Hardware 91

Dynatrace

JUNE 25, 2020

For example, in a three-node cluster, one node can go down; in a cluster with five or more nodes, two nodes can go down. Our Premium High Availability comes with the following features: Active-active deployment model for optimum hardware utilization. Save on costs for hardware and network bandwidth to optimize total cost of ownership.

Availability 241

Availability Hardware Latency Traffic 241

Dynatrace

MAY 2, 2024

With the ability to generate new content—such as images, text, audio, and other data—based on patterns and examples taken from existing data, organizations are rushing to capitalize on the AI model. As organizations train generative AI systems with critical data, they must be aware of the security and compliance risks.

Artificial Intelligence 222

Artificial Intelligence Cloud Best Practices DevOps 222

The Morning Paper

JUNE 27, 2019

Machine learning systems are stuck in a rut Barham & Isard, HotOS’19. In this paper we argue that systems for numerical computing are stuck in a local basin of performance and programmability. Take a simple example: it would be really nice if we could have named dimensions instead of always having to work with indices.

Systems 87

Systems Tuning Programming Innovation 87

Dynatrace

MAY 1, 2023

This operational data could be gathered from live running infrastructures using software agents, hypervisors, or network logs, for example. Additionally, ITOA gathers and processes information from applications, services, networks, operating systems, and cloud infrastructure hardware logs in real time.

Analytics 181

Analytics Artificial Intelligence Big Data Open Source 181

Dynatrace

APRIL 5, 2021

AWS Lambda enables organizations to access many types of functions from AWS’ cloud-based services, such as: Data processing, to execute code based on triggers, system states, or user actions. You will likely need to write code to integrate systems and handle complex tasks or incoming network requests. How does AWS Lambda work?

Lambda 175

Lambda AWS Serverless Hardware 175

Dynatrace

SEPTEMBER 22, 2021

Whether it’s your TV, audio system, digital home assistant, or refrigerator chances are those devices run an operating system such as Android allowing you access to the device’s features through apps. Crashes sometimes happen because of a specific combination of hardware, software and the environment (e.g., Dynatrace news.

Mobile 185

Mobile Media Hardware Network 185

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Some disruption might occur, but it will be minimal. More in the following sub-section.)

Availability 107

Availability Database Open Source Hardware 107

ACM Sigarch

OCTOBER 4, 2018

This is the first post in a series of posts on different approaches to systems security especially as they apply to hardware and architectural security. In this post, we will consider the use of mathematics/cryptography as an approach to improving systems security. Transmission: A number of encryption schemes (e.g.,

Systems 47

Systems Hardware Storage Healthcare 47

Scalegrid

MAY 13, 2020

Greenplum Database is an open-source , hardware-agnostic MPP database for analytics, based on PostgreSQL and developed by Pivotal who was later acquired by VMware. The MPP system leverages a shared-nothing architecture to handle multiple operations in parallel. Typically an MPP system has one leader node and one or many compute nodes.

Big Data 321

Big Data Database Artificial Intelligence Open Source 321

The Morning Paper

NOVEMBER 5, 2019

File systems unfit as distributed storage backends: lessons from 10 years of Ceph evolution Aghayev et al., It’s also a fabulous example of recognising and challenging implicit assumptions. In this case, the assumption that a distributed storage backend should clearly be layered on top of a local file system. SOSP’19.

Storage 64

Storage Systems Hardware Efficiency 64

Dynatrace

AUGUST 26, 2020

There’s no other competing software that can provide this level of value with minimum effort and optimal hardware utilization that can scale up to web-scale! I’d like to stress the lean approach to hardware that our customers require for running Dynatrace Managed. Support for high memory instances.

Performance 149

Performance Hardware Java Storage 149

The Netflix TechBlog

JANUARY 13, 2022

The data platform is built on top of several distributed systems, and due to the inherent nature of these systems, it is inevitable that these workloads run into failures periodically. We have been working on an auto-diagnosis and remediation system called Pensive in the data platform to address these concerns.

Big Data 238

Big Data Infrastructure Metrics Hardware 238

Dynatrace

JUNE 29, 2022

For example, workflows from both public and private cloud resources can support an application. They use the same hardware, APIs, tools, and management controls for both the public and private clouds. After deployment, IT teams can also optimize the software and supporting hardware to ensure high performance.

Infrastructure 175

Infrastructure Cloud Azure AWS 175

ACM Sigarch

OCTOBER 10, 2022

The security attacks demonstrated so far, for example, show that it is possible to induce errors in qubits via crosstalk, fingerprint the quantum computer devices, or even leak information across reset gates. With cloud-based access, anybody, including malicious users, can run their code on the real quantum computer hardware.

Architecture 72

Architecture Hardware Programming Cloud 72

Testlodge

APRIL 14, 2021

A software tester’s work life includes making sure that systems that have been designed to achieve specific results behave exactly as they should. These systems are a combination of different hardware and software which have been configured to perform the desired task. An Example. What is Configuration Testing?

Testing 89

Testing Hardware Virtualization Operating System 89

Percona

MARCH 23, 2023

Hardware Memory The amount of RAM to be provisioned for database servers can vary greatly depending on the size of the database and the specific requirements of the company. Operating system Linux is the most common operating system for high-performance MySQL servers. have been released since then with some major changes.

Performance 125

Performance Hardware Tuning Storage 125

Dynatrace

NOVEMBER 15, 2021

A log is a detailed, timestamped record of an event generated by an operating system, computing environment, application, server, or network device. Logs can include data about user inputs, system processes, and hardware states. “Logging” is the practice of generating and storing logs for later analysis.

Analytics 202

Analytics Monitoring Artificial Intelligence DevOps 202

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. Neither requires information about the other.

Monitoring 192

Monitoring Serverless Programming Speed 192

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. Neither requires information about the other.

Monitoring 191

Monitoring Serverless Programming Speed 191

Scalegrid

JANUARY 5, 2024

If you’re considering a database management system, understanding these benefits is crucial. Understanding Database Management Systems (DBMS) A Database Management System (DBMS) assists users in creating and managing databases. In a DBMS, data serves as the material which the system stores, structures, and controls.

Efficiency 147

Efficiency Storage Database Scalability 147

The Netflix TechBlog

JUNE 4, 2019

We were able to meaningfully improve both the predictability and performance of these containers by taking some of the CPU isolation responsibility away from the operating system and moving towards a data driven solution involving combinatorial optimization and machine learning. It has 8 physical hyperthreaded cores, split on 2 NUMA sockets.

Cache 251

Cache Latency Airlines Logistics 251

Brendan Gregg

MARCH 16, 2024

The problem is that this system has a default libc that has been compiled without frame pointers, so any stack walking stops at the libc layer, producing a partial stack that's missing the application frames. These partial stacks get grouped together on the left. Click here for a longer explanation. You usually get an extra junk frame.

Java 145

Java Cache Google Hardware 145

Dynatrace

JULY 31, 2020

Dynatrace Managed is the turn-key solution for organizations that want to enjoy all the conveniences of a SaaS solution—for example, ease-of-use, no operational overhead, and fast release cycles—while keeping their data on-premise to comply with regulatory requirements. For now we allow CPU, memory, and boot disk sizing.

Cloud 202

Cloud Availability Azure Google 202

Dynatrace

AUGUST 11, 2022

Cloud providers then manage physical hardware, virtual machines, and web server software management. Because a third party manages part of the infrastructure, IT teams give up a measure of control over system architecture. Consider a monolithic application, for example, designed to perform a host of functions.

Development 243

Development Serverless Best Practices Lambda 243

Adrian Cockcroft

JANUARY 17, 2022

There were five trends and topics for 2021, Serverless First, Chaos Engineering, Wardley Mapping, Huge Hardware, Sustainability. The need for systems to be resilient is still increasing, and chaos engineering tools and techniques are developing as a key way to validate that resilience is working as designed.

Serverless 98

Serverless Hardware AWS Architecture 98

The Morning Paper

NOVEMBER 15, 2020

This stems from a combination of Jevon’s paradox and the interconnectedness of systems – doing more in one area often leads to a need for more elsewhere too. At the end of the day, there are three basic ways we can increase capacity: Increasing the number of units in a system (subject to Amdahl’s law ). IDS/IPS requirements.

Servers 128

Servers Hardware Latency Design 128